Home / 6,207.92-9,312.84-2,921.36

Finding the Fourth Proportional to 6,207.92, 9,312.84 and 2,921.36

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Solution

The fourth proportional to 6,207.92, 9,312.84 and 2,921.36 is: 4,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.92 : 9,312.84 = 2,921.36 : x
  2. Step 2: Convert to fraction form
    6,207.92/9,312.84 = 2,921.36/x
  3. Step 3: Cross multiply
    6,207.92x = 9,312.84 × 2,921.36
  4. Step 4: Simplify right side
    6,207.92x = 27,206,158.26
  5. Step 5: Solve for x
    x = 27,206,158.26/6,207.92
  6. Step 6: Final answer
    x = 4,382.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.